/wallets · verified 2026-05-13

Cashu

Name: Cashu
Brand: Cashu
Rating: 4 (1 reviews)

Chaumian eCash on Bitcoin. Blinded signatures = zero-knowledge balance for the mint. Settled on Lightning.

anonymous signup E-CASH LIGHTNING PRIVACY custodial open source lightning native

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At a glance

Grade: B ()
KYC posture: anonymous signup
Fees: Mint-fee varies · Lightning settle · Chaumian privacy
Last verified: 2026-05-13
Operating since: 2022 · 4y — WHOIS redacted (likely .io or hidden TLD); operating_since estimated from archive.org first snapshot 2022

B Why grade B?

Solid pick. Verified working but with a meaningful caveat (UX rough, smaller market, intermediate trust step, partial coverage). Listed because the trade-off is sometimes worth it.

Full rubric + 7-step verification walkthrough at /methodology.

Review

Cashu protocol implements David Chaum's 1980s eCash on top of Bitcoin/Lightning. The mint holds funds in Lightning channels but can't see who has how much — blinded BDH signatures break the link between deposit and withdraw. Multiple clients (Nutshell ref impl, Minibits, eNuts, Cashu.me) and many public mints. Trade-off: you trust the mint operator not to disappear with funds; in exchange you get instant offline-capable e-cash with no chain footprint per spend.

Fees

Mint-fee varies · Lightning settle · Chaumian privacy

Audit trail — receipts for the editorial claim

● UPSTREAM Up · HTTP 200 · 2410ms · checked 57m ago
○ ONION No .onion mirror listed
✎ MANUAL Last manual verification 2026-05-13 (<90d)
⌕ LOG See curator log for Cashu

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